Kosi is a Himalayan river which originates from Dharpani Dhar (2,500 m) in Baramandal region of Almora district in Kumaon, Uttarakhand. After emerging from Dharpani Dhar, Kosi river flows through the valleys and towns of Ramnagar Uttarakhand, then it enters the Tarai regions of Uttar Pradesh, where it joins Ramganga river.
Kosi River is referred to as “Kosila” by the locals. The length of this river is 168 km. The farmers of Kumaon region use the water of this river for cultivating of wheat, rice and other crops. The known places situated nearby this river are Bujan, Betal Ghat, Corbett National park, Garjiya Devi temple, Amdana, Ramnagar etc.